Nissan Juke Service and Repair Manual : General Precautions

WARNING:
When replacing fuel line parts, be sure to observe the following.

Put a CAUTION: FLAMMABLE sign in the workshop.

Be sure to work in a well ventilated area and furnish workshop with a CO2 fire extinguisher.

Never smoke while servicing fuel system. Keep open flames and sparks away from the work area.

CAUTION:
Use diesel fuel required by the regulations for cetane number. Refer to GI-35, "Fuel".

Before removing fuel line parts, perform the following procedures: - Put drained fuel in an explosion-proof container and put the lid on securely. Keep the container in safe area.

- Disconnect the battery cable from the negative terminal.

Always replace O-ring and clamps with new ones.

Never kink or twist tubes when they are being installed.

Never tighten hose clamps excessively to avoid damaging hoses.

After installing tubes, check that there is no fuel leakage at connections in the following steps.

- Start engine and rev it up and check for fuel leakage at connections.

Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MI may come on.

    Other materials:

    P0139 HO2S2
    DTC Logic DTC DETECTION LOGIC The heated oxygen sensor 2 has a much longer switching time between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen storage capacity of the three way catalyst (manifold) causes the longer switching time. To judge the malfunctions of heated oxygen ...

    Microphone signal circuit
    Description Power is supplied from NAVI control unit to microphone. The microphone transmits the sound voice to the NAVI control unit. Diagnosis Procedure 1.CHECK CONTINUITY BETWEEN NAVI CONTROL UNIT AND MICROPHONE CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect NAVI control unit connecto ...

    Fuel injector and fuel tube
    Exploded View 1. Stud bolt 2. O-ring (green) 3. Fuel injector (front) 4. Clip 5. Fuel injector (rear) 6. O-ring (black) 7. Fuel tube protector 8. Fuel tube 9. Fuel feed hose 10. Quick connector cap A. To centralized under-floor piping : Always replace after every disassembly. ...